These included soil samples up to 670 parts per million copper, 1320 parts per million lead and 4600 parts per million zinc and rock chips up to 433 parts per million copper, 1320 parts per million lead and 7140 parts per million zinc.

Analysing the historical geochemical data resulted in a sizeable zinc-lead-copper anomalous zone being defined, the company said.

Castillo said its next steps would be to continue its review with further drilled down analysis on the remaining prospects within the Mount Oxide pillar and to finalise preliminary drill targets.